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一、前言官厅水库拦河坝系一复式断面的辗压式土坝,坝高45公尺,坝身由三种材料构成:坝心隔水槽及坝舌用不透水料——粘土;上游用半透水料——砂砾土;下游用透水料——卵石及碎石填筑。坝上游面砌
I. Introduction Guanting Reservoir Barrage is a compound cross-section rolling earth dam with a height of 45 meters. The dam body is made up of three kinds of materials: impervious material of dam hearth and dam, clayey soil, semi-permeable water Material - gravel soil; downstream with water-permeable material - gravel and gravel. Dam upstream face masonry